SC68C652BIB48,157 NXP Semiconductors, SC68C652BIB48,157 Datasheet - Page 27

• Manufacturer Part Number: SC68C652BIB48,157
• Description: IC UART DUAL 48LQFP
• Manufacturer: NXP Semiconductors

Specifications of SC68C652BIB48,157

• Features: 2 Channels
• Number Of Channels: 2, DUART
• Fifo's: 32 Byte
• Voltage - Supply: 2.5V, 3.3V, 5V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Package / Case: 48-LFQFP
• Voltage: 2.25 V ~ 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935278766157; SC68C652BIB48; SC68C652BIB48

NXP Semiconductors
SC68C652B_2
Product data sheet
7.11 SC68C652B external reset condition
Table 24.
[1]
Table 25.
Table 26.
Cont-3
0
1
0
1
X
X
X
1
0
1
Register
IER
FCR
ISR
LCR
MCR
LSR
MSR
SPR
DLL
DLM
Output
TXA, TXB
OP2A, OP2B
RTSA, RTSB
DTRA, DTRB
IRQ
When using a software flow control the Xon/Xoff characters cannot be used for data transfer.
Cont-2
0
0
1
1
X
X
X
0
1
1
Software flow control functions
Reset state for registers
Reset state for outputs
Reset state
IER[7:0] = 0
FCR[7:0] = 0
ISR[7:1] = 0; ISR[0] = 1
LCR[7:0] = 0
MCR[7:0] = 0
LSR[7] = 0; LSR[6:5] = 1; LSR[4:0] = 0
MSR[7:4] = input signals; MSR[3:0] = 0
SFR[7:0] = 1
DLL[7:0] = X
DLM[7:0] = X
Reset state
logic 1
logic 1
logic 1
logic 1
3-state condition
Cont-1
X
X
X
X
0
1
0
1
1
1
Rev. 02 — 2 November 2009
Cont-0
X
X
X
X
0
0
1
1
1
1
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
TX, RX software flow controls
no transmit flow control
transmit Xon1/Xoff1
transmit Xon2/Xoff2
transmit Xon1 and Xon2/Xoff1 and Xoff2
no receive flow control
receiver compares Xon1/Xoff1
receiver compares Xon2/Xoff2
transmit Xon1/Xoff1
receiver compares Xon1 and Xon2/Xoff1 and Xoff2
transmit Xon2/Xoff2
receiver compares Xon1 and Xon2/Xoff1 and Xoff2
transmit Xon1 and Xon2/Xoff1 and Xoff2
receiver compares Xon1 and Xon2/Xoff1 and Xoff2
[1]
SC68C652B
© NXP B.V. 2009. All rights reserved.
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